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List:       velocity-dev
Subject:    [jira] Resolved: (VELOCITY-669) Concurrency bug introduced in
From:       "Byron Foster (JIRA)" <dev () velocity ! apache ! org>
Date:       2009-01-27 17:46:59
Message-ID: 366168673.1233078419705.JavaMail.jira () brutus
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     [ https://issues.apache.org/jira/browse/VELOCITY-669?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel \
]

Byron Foster resolved VELOCITY-669.
-----------------------------------

    Resolution: Fixed

> Concurrency bug introduced in 1.7-dev
> -------------------------------------
> 
> Key: VELOCITY-669
> URL: https://issues.apache.org/jira/browse/VELOCITY-669
> Project: Velocity
> Issue Type: Bug
> Affects Versions: 1.7
> Reporter: Jarkko Viinamäki
> Priority: Blocker
> 
> Warning: current SVN head is broken - it fails under heavy load. I don't have time \
> to investigate right now but 1.6.1 release version does not have this bug (1.6.2 \
> release candidate may have it! - I'm not sure what's included there). However, \
> current SVN head fails consistently with my load testing suite when I run it under \
>                 JRat profiling:
> -------------------------------------------------------------------------------
> Test set: org.apache.velocity.test.load.Velocity24LoadTest
> -------------------------------------------------------------------------------
> Tests run: 250, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 71.032 sec <<< \
> FAILURE! testRendering(org.apache.velocity.test.load.Velocity24Test)  Time elapsed: \
> 0.125 sec  <<< ERROR! java.lang.NullPointerException
> 	at java.io.Writer.write(Writer.java:110)
> 	at org.apache.velocity.runtime.parser.node.ASTText.render_$jrat(ASTText.java:83)
> 	at org.apache.velocity.runtime.parser.node.ASTText.render(ASTText.java)
> 	at org.apache.velocity.runtime.parser.node.ASTBlock.render_$jrat(ASTBlock.java:72)
> 	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java)
> 	at org.apache.velocity.runtime.directive.VelocimacroProxy.render_$jrat(VelocimacroProxy.java:222)
>   at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java)
>   at org.apache.velocity.runtime.directive.RuntimeMacro.render_$jrat(RuntimeMacro.java:295)
>   at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java)
> 	at org.apache.velocity.runtime.directive.RuntimeMacro.render_$jrat(RuntimeMacro.java:215)
>   at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java)
> 	at org.apache.velocity.runtime.parser.node.ASTDirective.render_$jrat(ASTDirective.java:198)
>   at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java)
> 	at org.apache.velocity.runtime.parser.node.SimpleNode.render_$jrat(SimpleNode.java:342)
>   at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java)
> 	at org.apache.velocity.Template.merge_$jrat(Template.java:340)
> 	at org.apache.velocity.Template.merge(Template.java)
> 	at org.apache.velocity.Template.merge_$jrat(Template.java:248)
> 	at org.apache.velocity.Template.merge(Template.java)
> 	at org.apache.velocity.test.load.Velocity24Test.testRendering_$jrat(Velocity24Test.java:52)
>   at org.apache.velocity.test.load.Velocity24Test.testRendering(Velocity24Test.java)
>  Although I'm not sure, I strongly suspect that this has got something to do with \
> refactoring done (2009-01-11) for VelocimacroProxy.init. In 1.6.1 the init function \
> initializes the nodeTree variable but if I'm not mistaken, in current SVN head this \
> does not happen(!). It seems that under certain conditions the engine tries to \
> render an ASTText node that has not been initialized (char array is null) which \
> causes this exception. 

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